| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | (827010231) | M50 HAMMER, ASSY | 91F20145- | |
| 2 | 827010263 | SCREW | 91F20145- | |
| 3 | 827010264 | SEALING RING | 91F20145- | |
| 4 | 827010266 | SCREW | 91F20145- | |
| 5 | 827010403 | UPPER SEMI CAP | 91F20145- | |
| 6 | 827010262 | MEMBRANE | 91F20145- | |
| 7 | 827010402 | LOWER SEMI CAP | 91F20145- | |
| 8 | 827010265 | SCREW | 91F20145- | |
| 9 | 827010381 | M50 HEAD | 91F20145- | |
| 10 | 827010386 | SHOCK ABSORBER DIAPHRAGM | 91F20145- | |
| 11 | 827010385 | SHOCK ABSORBER COVER | 91F20145- | |
| 12 | 827010382 | BODY | 91F20145- | |
| 13 | 827010384 | DISTRIBUTOR | 91F20145- | |
| 14 | 827010380 | PIN | 91F20145- | |
| 15 | 827010379 | REDUCTION | 91F20145- | |
| 16 | 827010342 | PISTON | 91F20145- | |
| 17 | 827010378 | VALVE | 91F20145- | |
| 18 | 827010341 | CYLINDER | 91F20145- | |
| 19 | 827010259 | TIE-ROD WITH RUBBER | 91F20145- | |
| 20 | 827010376 | BUSHING | 91F20145- | |
| 21 | 827010374 | BLOCK | 91F20145- | |
| 22 | 827010254 | FITTING | 91F20145- | |
| 23 | 827010260 | NUT | 91F20145- | |
| 24 | 827010371 | SPLIT PIN | 91F20145- | |
| 25 | 827010375 | LOWER BUSHING | 91F20145- | |
| 26 | 827010369 | SPLIT PIN | 91F20145- | |
| SEE FIG. 7810 |